Malware Analysis Report

2025-04-03 14:19

Sample ID 241110-dgrppaxnes
Target 4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756
SHA256 4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756
Tags
healer redline lint discovery dropper evasion infostealer persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756

Threat Level: Known bad

The file 4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756 was found to be: Known bad.

Malicious Activity Summary

healer redline lint discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Redline family

Modifies Windows Defender Real-time Protection settings

Healer

Healer family

RedLine

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 02:59

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:59

Reported

2024-11-10 03:01

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4956 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe
PID 4956 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe
PID 4956 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe
PID 4032 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe
PID 4032 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe
PID 4032 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe
PID 2724 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe
PID 2724 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe
PID 2724 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe
PID 2724 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe
PID 2724 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe
PID 4032 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe
PID 4032 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe
PID 4032 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe

"C:\Users\Admin\AppData\Local\Temp\4c0723a101c65e4f46bb9162298ab8306342f07456cbaff3b7bba9167eb72756.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3372 -ip 3372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will1021.exe

MD5 b143d5a76905fcb8960c8b9f83da42a4
SHA1 43744bd5440d6866fd7f1e1cecda606a1adb1d9e
SHA256 c5dc2b142a3694532b0969fa0422b6692dc794f5d1e83f814fe8b62025673495
SHA512 2d78c8de763db4fa51c6ac054ae55464e2d1bec93b125d1c6639b70eef4e1d0b578529194dac4460b4d893773315a64c5f97eb44a80ed9fed27ab60920168140

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4481.exe

MD5 43c0eb07167c0cb5caf9f258cd2284e4
SHA1 252c15af852c8eb2de8b1ffcf5dbce0086e02b5c
SHA256 d87123aeba698f5f4798f99e4245410dad8a3f013e50c1b8d33d02560fa1ac8e
SHA512 fd292fdb3ebc33858e1d4229204cc4d188fb182a166eda4020f703fa8274879f81c893455433dd5232ef14b91b9dfedb0ccd24acff94fdcf128af4bdaf99aa72

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7408XG.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/976-21-0x00007FFDBC713000-0x00007FFDBC715000-memory.dmp

memory/976-22-0x0000000000CD0000-0x0000000000CDA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py55Rt30.exe

MD5 417acbdb2c59284eb848159644ca985a
SHA1 d1f2ea0cd3d890e19f5d21d3d4ea12ee1a4580ad
SHA256 6f54f7c750ae7cf669bd70c51bf4945a6fb7c22e72ae3cc333c04f57a59822f1
SHA512 c0efc4b41a0e4549013611f74ec85d75883b9c5f9df0d383464381e1a2929c09f9d0e55b2fa4083caa8d77ca7a02cf10b637decdba6da55c4a0c73dca7ecba08

memory/3372-28-0x0000000002380000-0x000000000239A000-memory.dmp

memory/3372-29-0x0000000004B70000-0x0000000005114000-memory.dmp

memory/3372-30-0x0000000004A60000-0x0000000004A78000-memory.dmp

memory/3372-38-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-54-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-52-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-50-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-58-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-48-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-44-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-41-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-36-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-34-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-56-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-46-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-32-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-42-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-31-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/3372-59-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3372-61-0x0000000000400000-0x00000000004B8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs0488ab.exe

MD5 0ecc8ab62b7278cc6650517251f1543c
SHA1 b4273cda193a20d48e83241275ffc34ddad412f2
SHA256 b0f1238e54ac8e3534af7ecb4f834bea3223120fedb1eab80f7a1bf00fb5b97a
SHA512 c79d266c82b766ca39377fd02b3bc307fce4b59f53936e97c162200de3f8b3f72f6beda2aef2ab9ecd9be669b625c6ed0aaefa157cca7ac11d78b1939f660092

memory/436-65-0x0000000000D50000-0x0000000000D82000-memory.dmp

memory/436-66-0x0000000005CC0000-0x00000000062D8000-memory.dmp

memory/436-67-0x0000000005830000-0x000000000593A000-memory.dmp

memory/436-68-0x0000000005760000-0x0000000005772000-memory.dmp

memory/436-69-0x00000000057F0000-0x000000000582C000-memory.dmp

memory/436-70-0x0000000005940000-0x000000000598C000-memory.dmp